| Thermodynamics of some ZrO_2-containing ceramics |
| |
| 引用本文： | 李麟,Omer Van der Biest,黄水根,Jef Vleugels,王佩玲. Thermodynamics of some ZrO_2-containing ceramics[J]. 上海大学学报(英文版), 2006, 0(1) |
| |
| 作者姓名： | 李麟 Omer Van der Biest 黄水根 Jef Vleugels 王佩玲 |
| |
| 作者单位： | School of Materials Science and Engineering Shanghai University Shanghai 200072 P. R. China，Department of Metallurgy and Materials Engineering Katholieke Universiteit Leuven B-3001 Heverlee Belgium，School of Materials Science and Engineering Shanghai University Shanghai 200072 P. R. China，Department of Metallurgy and Materials Engineering Katholieke Universiteit Leuven B-3001 Heverlee Belgium，Department of Metallurgy and Materials Engineering Katholieke Universiteit Leuven B-3001 Heverlee Belgium，The State Key Lab of High Performance Ceramics and Superfine Microstructure Shanghai Institute of Ceramics Chinese Academy of Science Shanghai 200050 P. R. China |
| |
| 基金项目： | ProjectsupportedbyFlanders-ChinaBilateralProject(GrantNo.BIL99/10),andCommissionofEuropeanCommunitiesintheFrameworkoftheGrowthProject“BIOGRAD”(GrantNo.G5RD-CT2000-00354) |
| |
| 摘 要： | 1IntroductionZrO2-containing ceramics receive extensive attentionbecause of their great i mportance in science and tech-nology[1,2].Zirconia doped with divalent or trivalentoxides has been proved to be an i mportant solid elec-trolyte,finding wide usage in oxygen sensors and fuelcells.It is also well known that Y2O3-stabilized tetra-gonal ZrO2polycrystals(Y-TZP)possess excellent me-chanical properties at roomtemperature,combining astrength higher than1000MPa and a toughness be-tween6MPa·…
|
Thermodynamics of some ZrO_2-containing ceramics |
| |
| LI Lin,Omer Van der Biest,HUANG Shui-gen,Jef Vleugels,WANG Pei-ling.School of Materials Science and Engineering,Shanghai University,Shanghai ,P. R. China. Thermodynamics of some ZrO_2-containing ceramics[J]. Journal of Shanghai University(English Edition), 2006, 0(1) |
| |
| Authors: | LI Lin Omer Van der Biest HUANG Shui-gen Jef Vleugels WANG Pei-ling.School of Materials Science Engineering Shanghai University Shanghai P. R. China |
| |
| Affiliation: | LI Lin,Omer Van der Biest,HUANG Shui-gen,Jef Vleugels,WANG Pei-ling1.School of Materials Science and Engineering,Shanghai University,Shanghai 200072,P. R. China 2.Department of Metallurgy and Materials Engineering,Katholieke Universiteit Leuven,B-3001 Heverlee,Belgium3.The State Key Lab of High Performance Ceramics and Superfine Microstructure,Shanghai Institute of Ceramics,Chinese Academy of Science,Shanghai 200050,P. R. China |
| |
| Abstract: | Thermodynamic assessment in the ternary systems ZrO_2-CeO_2-Y_2O_3,ZrO_2-CeO_2-Ce_2O_3 and the limiting binaries ZrO_2-Y_2O_3, ZrO_2-CeO_2,CeO_2-Y_2O_3, ZrO_2-Ce_2O_3, CeO_2-Ce_2O_3 as well as the modeling for oxides are reviewed comprehensively. Based on the recent estimations on the YO_ 1.5 -CeO_2, ZrO_2-CeO_2 and ZrO_2-YO_ 1.5 systems, isothermal sections at 1 273 and 1 973 K of the ternary CeO_2-ZrO_2-YO_ 1.5 system are calculated. In the system of ZrO_2-CeO_2-Ce_2O_3, the complex relation between the nonstoichiometry (y) in CeO_ 2-y , the composition of the ZrO_2-CeO_2 solid solution and the oxygen partial pressure (P_ O_2 ) for different ZrO_2 containing solid solu-tions Ce_zZr_ 1-z O_ 2-x are evaluated from 1 473 to 1 773 K. The relation between the degree of Ce 4 reduction to Ce 3 under different P_ O_2 in the fluorite CeO_ 2-y and Ce_ z Zr_ 1-z O_ 2-x solid solutions at different temperatures can be used as a guide in the development of functional ceramics. |
| |
| Keywords: | ZrO_2 Y_2O_3 Ce_2O_3 CeO_2 CeO_(2-y) Ce_zZr_(1-z)O_(2-x) ceria reduction thermodynamics oxygen partial pressure phase diagram. |
| 本文献已被 CNKI 等数据库收录！ |
|
